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Event-based Asynchronous Pattern (EAP)
03/30/2017
.net
dotnet-standard
article
asynchronous calls
asynchronous programming, design patterns
asynchronous programming
c6baed9f-2a25-4728-9a9a-53b7b14840cf
20
rpetrusha
ronpet
wpickett

Event-based Asynchronous Pattern (EAP)

There are a number of ways to expose asynchronous features to client code. The Event-based Asynchronous Pattern prescribes one way for classes to present asynchronous behavior.

[!NOTE] Starting with the [!INCLUDEnet_v40_long], the Task Parallel Library provides a new model for asynchronous and parallel programming. For more information, see Parallel Programming.

In This Section

Event-based Asynchronous Pattern Overview
Describes how the Event-based Asynchronous Pattern makes available the advantages of multithreaded applications while hiding many of the complex issues inherent in multithreaded design.

Implementing the Event-based Asynchronous Pattern
Describes the standardized way to package a class that has asynchronous features.

Best Practices for Implementing the Event-based Asynchronous Pattern
Describes the requirements for exposing asynchronous features according to the Event-based Asynchronous Pattern.

Deciding When to Implement the Event-based Asynchronous Pattern
Describes how to determine when you should choose to implement the Event-based Asynchronous Pattern instead of the xref:System.IAsyncResult pattern.

Walkthrough: Implementing a Component That Supports the Event-based Asynchronous Pattern
Illustrates how to create a component that implements the Event-based Asynchronous Pattern. It is implemented using helper classes from the xref:System.ComponentModel?displayProperty=nameWithType namespace, which ensures that the component works correctly under any application model.

How to: Use Components That Support the Event-based Asynchronous Pattern
Describes how to use a component that supports the Event-based Asynchronous Pattern.

Reference

xref:System.ComponentModel.AsyncOperation
Describes the xref:System.ComponentModel.AsyncOperation class and has links to all its members.

xref:System.ComponentModel.AsyncOperationManager
Describes the xref:System.ComponentModel.AsyncOperationManager class and has links to all its members.

xref:System.ComponentModel.BackgroundWorker
Describes the xref:System.ComponentModel.BackgroundWorker component and has links to all its members.

Related Sections

Task Parallel Library (TPL)
Describes a programming model for asynchronous and parallel operations.

Threading
Describes multithreading features in the .NET Framework.

Threading
Describes multithreading features in the C# and Visual Basic languages.

See Also

Managed Threading Best Practices
Events
Multithreading in Components
Asynchronous Programming Design Patterns